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55 Matrix

  • Connection diagram / port overview
  • Function »Heating– Cooling«
  • Setting the corresponding parameters
  • Setting the target temperature
  • Operating lock
  • Set display to standby mode
  • Switching the device on / off
  • RMO (operating mode)
  • BOS (Boost)
  • PRG (heating program)
  • Setting up heating programs
  • VAT (Temperature holiday mode)
  • BRW / BRS (Display brightness)
  • NET (Set up WiFi)
  • DAT (date, time)
  • SWT (summer time / winter time)
  • INS (Installer)
  • CMO (control algorithm)
  • WEH (type of heating)
  • SMO (sensor mode)
  • DIF (Hysteresis)
  • ADP (Smart Start)
  • FLT (Temperature limiter floor sensor)
  • VAL (operating principle)
  • VPA / VPD (Valve protection)
  • TSS (Temperature Unit)
  • WMO (manual heating / cooling)
  • CAR / CAF / CAE (calibration)
  • ALO / AHI (setpoint limiter)
  • FLO / FHI (setpoint limiter)
  • ELO / EHI (setpoint limiter)
  • ANT (time automatically)
  • COL (block cooling)
  • FAC (factory reset)
  • ESC (exit)
  • Alpha smart app
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  • Systemauswahl
  • Alpha thermostat direct
  • 55 Matrix
  • FLO / FHI (setpoint limiter)

FLO / FHI (setpoint limiter)

Setting the maximum and minimum setpoint limit for the floor sensor. Setting range between 5 °C and 30 °C (41 °F and 86 °F). This limits the setpoint temperature input.

Prerequisite for use:

  • Floor sensor F set in sensor mode (→ SMO)

FLO: Setpoint limiter for lowest temperature

FHI: Setpoint limiter for maximum temperature

Updated on January 27, 2026
ALO / AHI (setpoint limiter)ELO / EHI (setpoint limiter)

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